From 9cfa9be18a1d6448876e6e38fdce1619de85daed Mon Sep 17 00:00:00 2001
From: inc4dge <380605275@qq.com>
Date: Mon, 8 Dec 2025 16:44:01 +0800
Subject: [PATCH] Fix output size equations in Conv2D_cn.rst

Correct mathematical equations for output height and width calculations in Conv2D documentation.
---
 docs/api/paddle/nn/Conv2D_cn.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/api/paddle/nn/Conv2D_cn.rst b/docs/api/paddle/nn/Conv2D_cn.rst
index 54177cce65d..aeab8d958f4 100644
--- a/docs/api/paddle/nn/Conv2D_cn.rst
+++ b/docs/api/paddle/nn/Conv2D_cn.rst
@@ -81,10 +81,10 @@ bias
     如果 ``padding`` = "SAME":
 
     .. math::
-        H_{out} = \frac{(H_{in} + stride[0] - 1)}{stride[0]}
+        H_{out} = \lceil \frac{H_{in}}{stride[0]} \rceil
 
     .. math::
-        W_{out} = \frac{(W_{in} + stride[1] - 1)}{stride[1]}
+        W_{out} = \lceil \frac{W_{in}}{stride[1]} \rceil
 
     如果 ``padding`` = "VALID":